By MARGALIT FOX

Dr. Lioy was an environmental scientist who was widely known for his analysis of the dust spawned by the Sept. 11 attacks on the World Trade Center, and for his studies of its health effects over time.

By ROBERT BERKVIST

By RICHARD GOLDSTEIN

Stabler, a star quarterback under Bear Bryant at Alabama and under John Madden for the Raiders, was the National Football League’s most valuable player in 1974 and led Oakland to a Super Bowl victory in 1977.

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